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1.
J Aging Health ; 30(8): 1171-1187, 2018 09.
Article in English | MEDLINE | ID: mdl-28553824

ABSTRACT

OBJECTIVE: We investigated the relation of hypertension to cognitive performance and its interplay with key markers of cognitive reserve in a large sample of older adults. METHOD: We assessed tests of immediate and delayed cued recall and working memory in 701 older adults. We measured systolic blood pressure and interviewed individuals on their education, past occupation, and cognitive leisure activity. RESULTS: Hypertension (≥140 mmHg) was related to lower performance in all three cognitive measures. Moderation analyses suggested that these relations were reduced in individuals with greater engaging in cognitive leisure activity. Hierarchical regression analyses showed that hypertension was not related to any of the three investigated cognitive performance measures when education, cognitive level of job, and cognitive leisure activity were simultaneously taken into account. DISCUSSION: The detrimental influences of hypertension on cognitive functioning in old age may be reduced in individuals with greater cognitive reserve accumulated during the life course.


Subject(s)
Cognitive Reserve/physiology , Hypertension/psychology , Memory, Short-Term/physiology , Mental Recall/physiology , Aged , Aged, 80 and over , Cross-Sectional Studies , Female , Humans , Leisure Activities/psychology , Male , Memory, Long-Term/physiology , Middle Aged , Occupations
2.
Arch Gerontol Geriatr ; 73: 195-198, 2017 Nov.
Article in English | MEDLINE | ID: mdl-28822921

ABSTRACT

OBJECTIVES: (1) To study the relation of physical activity (PA) to high-density lipoprotein cholesterol (HDL-C) and (2) to investigate if the strength of these associations holds after adjustments for sex, age, and other key correlates. METHODS: This study included 550 older adults from Amazonas. HDL-C was derived from fasting blood samples. PA at sport and leisure, smoking, alcohol consumption, and socioeconomic status (SES) were interviewed. Waist circumference (WACI) was assessed. RESULTS: HDL-C was positively related to PA sport, PA leisure, and SES (0.22≤r≤0.34; p≤0.001) and negatively related to smoking and WACI (r≤-0.10; p<0.05). Controlling for sex and age did not affect these relationships. Hierarchical multiple regression analyses showed that the relation of HDL-C to PA sport and leisure remained significant when controlling for all other investigated correlates (0.14≤ß≤0.24; p≤0.001). DISCUSSION: In order to prevent low HDL-C in older adults, promoting PA seems to be an important additional component besides common recommendations concerning weight reduction.


Subject(s)
Cholesterol, HDL/blood , Exercise , Aged , Alcohol Drinking , Female , Humans , Independent Living , Male , Middle Aged , Smoking , Social Class , Waist Circumference
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